{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00843_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Sausalito, California | 1919 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"19"},{"label":"placed","value":"14"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef-snap 7, georef 5, georef-street 1, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p14__2 (tier 1, 37.84898,-122.48121 +/-129m); p3__2 (tier 1, 37.86004,-122.49000 +/-180m); p4__2 (tier 1, 37.86289,-122.49432 +/-100m); p9__1 (tier 1, 37.85535,-122.48408 +/-100m); p9__2 (tier 1, 37.85562,-122.48532 +/-185m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sausalito, California | 1919 | sanborn00843_006 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:12:11Z","modified":"2026-10-19T05:12:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1512.5,1079.3 1383.2,960.8 1374.0,917.2 1383.3,897.4 1431.8,873.1 1549.3,847.9 1561.4,797.0 1548.5,625.7 1559.7,555.3 1517.6,426.0 1371.1,208.6 1357.3,188.9 1309.9,120.5 1245.3,61.1 1150.9,1.0 1016.5,1.0 956.1,31.2 839.9,57.9 389.4,25.2 325.1,10.6 280.7,95.7 142.8,121.3 48.4,623.2 30.1,1737.1 96.2,1877.2 1171.6,1828.1 1143.7,1879.6 1263.4,1848.1 1433.5,1770.3 1463.5,1757.3 1458.8,1429.2 1506.7,1388.6 1536.9,1199.7 1547.5,1121.9 1512.5,1079.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.4856858637808,37.855534607762806]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.48201417608541,37.854992382858285]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.48282291270891,37.85152980705508]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.4864946004043,37.8520720319596]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sausalito, California | 1919 | sanborn00843_006 p11","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:12:11Z","modified":"2026-10-19T05:12:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1248.6,156.9 1212.2,202.3 1334.5,193.0 1514.1,147.2 1520.8,145.6 1524.4,588.2 1487.8,623.5 1427.0,664.8 1426.8,688.3 1526.7,690.4 1541.2,1205.3 1392.0,1204.0 1392.0,1718.0 1360.5,1717.5 1164.5,1910.8 1166.5,1892.2 33.2,1865.8 23.7,981.2 81.7,791.0 28.9,118.6 79.8,38.1 196.8,30.5 191.9,11.7 1248.6,156.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1392.0,1204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4834629,37.8498989]}},{"type":"Feature","properties":{"resourceCoords":[1392.0,1718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4834659,37.8489504]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sausalito, California | 1919 | sanborn00843_006 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:12:11Z","modified":"2026-10-19T05:12:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1245.7,1811.1 1172.1,1784.8 1123.5,1810.2 981.8,1912.0 944.1,1912.0 937.4,1912.0 920.0,1899.0 906.3,1846.8 905.7,1727.2 858.6,1705.0 689.2,1682.7 622.9,1657.4 488.4,1672.1 246.8,1770.4 232.6,1776.4 102.6,1409.6 122.1,1406.2 339.5,874.0 290.2,835.8 362.3,772.5 368.0,708.2 353.3,534.7 338.1,486.8 283.5,441.9 164.0,387.6 94.8,324.1 40.2,236.0 102.9,208.8 92.2,5.7 116.8,23.3 1501.1,69.6 1585.3,211.1 1609.2,211.6 1464.6,588.2 1501.0,995.5 1519.4,990.0 1499.9,1282.2 1478.5,1301.2 1394.8,1868.1 1245.7,1811.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.47854699318769,37.85522780861963]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.47846114795374,37.85224356225625]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.48291220993424,37.852162606371145]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.4829980551682,37.85514685273453]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sausalito, California | 1919 | sanborn00843_006 p13","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:12:11Z","modified":"2026-10-19T05:12:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1045.1,1912.0 1032.9,1912.0 1021.6,1912.0 979.8,1851.4 944.1,1815.1 501.0,1822.4 495.0,1797.6 171.4,1746.3 139.6,1692.6 110.5,1682.7 175.2,1115.0 196.1,1095.2 205.7,803.5 187.4,809.5 137.1,404.9 269.3,24.7 838.2,18.4 1153.9,102.8 1490.6,106.4 1575.0,307.6 1569.0,785.8 1561.0,786.0 1561.9,1545.3 1561.8,1793.0 1046.3,1811.9 1045.1,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1561.0,1174.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4816695,37.8498846]}},{"type":"Feature","properties":{"resourceCoords":[1561.0,786.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4807639,37.8498767]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0014__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sausalito, California | 1919 | sanborn00843_006 p14 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T05:12:11Z","modified":"2026-10-19T05:12:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0014__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"759.3,1872.5 938.4,1888.4 1046.9,1834.8 1081.4,758.9 1098.7,722.4 1098.7,721.0 1099.3,721.0 1102.4,714.5 1547.6,675.4 1602.0,491.3 1586.4,118.7 1037.5,101.7 904.1,24.2 517.9,84.0 56.6,57.7 42.9,25.9 42.3,503.7 34.3,503.9 43.7,1262.3 48.0,1659.0 562.0,1648.8 562.1,1680.3 759.3,1872.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0014__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[558.0,496.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4807726,37.8489103]}},{"type":"Feature","properties":{"resourceCoords":[48.0,1659.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4834629,37.8498989]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sausalito, California | 1919 | sanborn00843_006 p2 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.42"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T05:12:11Z","modified":"2026-10-19T05:12:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"979.1,780.2 902.6,68.2 560.4,90.4 156.1,22.8 41.1,81.8 61.5,1845.3 393.1,1814.0 1247.2,1895.8 1593.3,1858.3 1576.2,827.5 1547.9,784.9 982.3,783.0 979.1,780.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[222.0,1261.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.50125042231397,37.865084720006195]}},{"type":"Feature","properties":{"resourceCoords":[222.0,1711.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.50054057980716,37.864427666200065]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sausalito, California | 1919 | sanborn00843_006 p2 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3929.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2522.8"},{"label":"split_canvas_h","value":"3132.0"}],"created":"2026-10-19T05:12:11Z","modified":"2026-10-19T05:12:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1546.6,13.7 1002.5,27.8 1008.4,506.9 1129.5,741.1 1570.2,765.8 1595.1,715.1 1598.4,718.2 1591.1,15.7 1546.6,13.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[982.3,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.49674488159141,37.86326244419529]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.49550304266008,37.862641904898325]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,783.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.49647154801075,37.861416732112964]}},{"type":"Feature","properties":{"resourceCoords":[982.3,783.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.49771338694208,37.86203727140993]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sausalito, California | 1919 | sanborn00843_006 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3072.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4579.6"}],"created":"2026-10-19T05:12:11Z","modified":"2026-10-19T05:12:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"86.2,1912.0 88.4,1912.0 103.0,1905.6 1348.7,1912.0 1523.0,1912.0 1597.0,1710.2 1581.8,1034.1 1578.7,972.0 1472.5,972.0 1471.3,986.8 1189.6,972.0 1176.8,972.0 1176.0,971.3 1171.1,971.0 922.0,797.8 461.9,934.2 151.7,916.5 65.4,957.5 32.7,1060.9 39.2,1141.8 51.2,1195.0 47.8,1197.2 70.1,1548.2 41.1,1523.4 86.2,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1142.0,1710.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.49059632349817,37.85986713314219]}},{"type":"Feature","properties":{"resourceCoords":[1142.0,1016.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.48967992008242,37.86093432323857]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sausalito, California | 1919 | sanborn00843_006 p4 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.83"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T05:12:11Z","modified":"2026-10-19T05:12:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"45.6,1350.5 53.0,1867.0 922.8,1859.0 1004.5,1412.7 1004.7,1380.0 1010.4,1380.0 1011.1,1376.4 1596.3,1379.3 1612.0,939.0 1612.0,852.6 1598.2,852.4 1557.3,456.1 1586.4,481.6 1568.2,124.6 1571.7,122.5 1560.2,68.2 1555.7,1.0 1555.1,1.0 1533.2,50.8 55.7,35.4 30.6,573.5 47.4,576.0 72.5,1284.3 69.1,1281.2 45.6,1350.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[498.0,1334.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4956611,37.8610284]}},{"type":"Feature","properties":{"resourceCoords":[945.0,1334.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4947971,37.8605784]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sausalito, California | 1919 | sanborn00843_006 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:12:11Z","modified":"2026-10-19T05:12:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"60.9,155.5 401.5,31.2 1417.8,42.2 1468.3,16.3 1486.3,144.8 1472.0,195.8 1483.9,1262.7 1491.7,1599.6 1466.1,1795.8 1416.4,1716.1 741.2,1906.7 694.6,1912.0 685.6,1912.0 681.0,1895.0 361.8,1881.0 47.6,1704.3 33.8,1474.8 80.3,1474.6 155.4,1270.1 140.6,587.6 137.5,525.0 30.4,524.9 60.9,155.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[582.0,1265.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.48888021897739,37.85896004214845]}},{"type":"Feature","properties":{"resourceCoords":[1029.0,1508.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.48833478124406,37.85812830773275]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sausalito, California | 1919 | sanborn00843_006 p6","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:12:11Z","modified":"2026-10-19T05:12:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1520.3,1504.0 1468.5,1624.8 1430.7,1662.2 1448.1,1757.0 820.8,1893.9 719.8,1900.4 660.9,1883.2 585.5,1831.2 537.8,1779.5 498.9,1709.8 80.2,1699.3 75.1,1364.0 71.3,302.4 86.0,251.8 69.0,123.8 234.9,40.2 839.6,14.2 1375.4,42.8 1512.9,143.9 1529.0,144.0 1372.2,222.3 1400.6,216.5 1364.9,311.7 1275.5,578.7 1259.2,675.5 1277.3,828.6 1539.9,1332.8 1520.3,1504.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[962.0,1365.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4854072,37.8571218]}},{"type":"Feature","properties":{"resourceCoords":[72.0,684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.4862585,37.8590832]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sausalito, California | 1919 | sanborn00843_006 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:12:11Z","modified":"2026-10-19T05:12:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1192.0,1855.8 1198.3,1861.5 1480.3,1587.2 1461.0,1559.4 1378.1,1439.7 1236.2,728.6 1282.4,766.4 1376.5,813.3 1526.7,352.9 1531.9,354.4 1557.5,59.5 1522.7,80.4 1350.4,18.4 466.7,31.2 377.6,15.4 206.4,65.5 235.9,64.8 182.7,153.2 44.2,403.3 10.1,496.8 1.0,637.0 1.0,655.6 169.8,1201.4 118.8,1368.5 44.8,1479.5 1.0,1509.3 1.0,1607.5 16.1,1606.9 140.2,1912.0 153.1,1912.0 206.5,1912.0 655.5,1843.2 763.4,1791.0 817.5,1746.5 945.8,1717.1 1053.6,1755.5 1130.2,1799.3 1192.0,1855.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.48349932425826,37.858720808566055]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.48009054618234,37.85754883944159]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.48183865603804,37.854334384205345]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.48524743411396,37.85550635332981]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sausalito, California | 1919 | sanborn00843_006 p8","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.59"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T05:12:11Z","modified":"2026-10-19T05:12:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"275.6,1283.7 377.9,1263.5 214.1,812.1 219.1,810.2 58.8,563.6 161.2,297.3 408.4,182.3 541.7,46.4 1478.7,76.4 1482.9,388.2 1569.7,558.6 1485.6,743.5 1417.1,738.5 1425.3,842.0 1457.7,930.3 1539.2,1033.8 1567.3,1098.9 1558.8,1148.5 1491.9,1309.0 1457.3,1363.3 1363.8,1385.9 1390.2,1442.6 951.1,1813.0 900.0,1796.9 762.0,1753.4 216.2,1282.0 275.6,1283.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.4791768,37.8580839]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.4773654,37.8554824]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.4812731,37.8537862]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.4830845,37.8563877]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0009__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sausalito, California | 1919 | sanborn00843_006 p9 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2970.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4681.6"}],"created":"2026-10-19T05:12:11Z","modified":"2026-10-19T05:12:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0009__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.0,887.8 44.1,1911.4 1228.7,1911.9 1532.5,1860.7 1568.8,1762.4 1549.2,1683.6 1495.4,1686.8 1484.2,1519.4 1587.6,1343.3 1588.0,1165.2 1487.0,1146.4 1433.5,1114.8 1372.8,1045.2 1339.2,982.6 1318.7,904.8 920.4,792.8 908.6,793.6 833.8,973.9 806.2,883.7 97.6,895.9 42.0,887.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364sm:g4364sm_g008431919:00843_1919-0009__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,742.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.48950787002231,37.85814187500774]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,742.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.48599440809743,37.85716947727954]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.48688223844049,37.85514135442661]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.49039570036537,37.856113752154805]}}]}}]}